A US woman who shot and killed her husband and two adult children before taking her own life is thought to have committed the shocking crime as a result of being ostracised from the religion she was raised in.

A federal judge sentenced a former Arkansas judge Wednesday to five years in prison — a stiffer punishment than prosecutors recommended — after he admitted giving young male defendants lighter sentences in return for personal benefits that included sexual favours.

Every time I tell a mate I’m doing a story on cryptocurrency, they invariably ask me the same two questions: should they invest their own hard-earned money, and which cryptocurrency will get them a Lamborghini/yacht/island quickest?

In a 60 Minutes online exclusive, reporter Liz Hayes quizzed Australian Prime Minister Malcolm Turnbull on his relationship with the unpredictable Twitter aficionado and US president Donald Trump ahead of their meeting at the White House Friday.

End policies hurting first people: ACOSS

A leading welfare advocate has used the 10th anniversary of the National Apology to demand the federal government abolish the "harsh, brutal experiments" inflicted on Aboriginal and Torres Strait Islander communities.

Australian Council of Social Service chief executive Cassandra Goldie says these include the community development program, income management and work for the dole

"We want those programs stopped. We want them abolished and those funds reinvested, getting behind the voices of Aboriginal and Torres Strait Islander leaders," she told reporters in Canberra on Tuesday.

"Unless we're prepared to do that, we will not 'Close the Gap' on employment."

National Congress of Australia's First People chief executive Gary Oliver said it is important to acknowledge the failures of government and questioned its Closing the Gap "refresh" that is about to happen around economic prosperity.

"How can we as Aboriginal and Torres Strait Islander people be ready for economic prosperity where we haven't got housing, where we've got more people incarcerated and we've got draconian policies happening to us around workplace laws and also the cashless card as well," he told reporters.